Pith Number

pith:HA76BGNW

pith:2017:HA76BGNWNDTBKMWM23GRJDV2KP

not attested not anchored not stored refs pending

A geometrical assessment of spinorial energy conditions

Luca Fabbri

arxiv:1702.04687 v3 · 2017-02-15 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HA76BGNWNDTBKMWM23GRJDV2KP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:26:51.794818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

383fe099b668e61532ccd6cd148eba53fb71da670da93318b8c6817bf52b1024

Aliases

arxiv: 1702.04687 · arxiv_version: 1702.04687v3 · doi: 10.48550/arxiv.1702.04687 · pith_short_12: HA76BGNWNDTB · pith_short_16: HA76BGNWNDTBKMWM · pith_short_8: HA76BGNW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HA76BGNWNDTBKMWM23GRJDV2KP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 383fe099b668e61532ccd6cd148eba53fb71da670da93318b8c6817bf52b1024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a706ea8bf468a65c2e60f18b4fc80770f48b0471da879f7bf7948e22f1b4632d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-15T17:13:14Z",
    "title_canon_sha256": "ddfcef837d1675224e309407070873391bedbb0100a230791aeb636523e3af8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04687",
    "kind": "arxiv",
    "version": 3
  }
}